Datamax M-Class Mark II Maintenance Manual page 39

If not equipped, connect the positive probe to the D19 Upper Lead.
•
Power Supply PCB
4. Raise the Printhead Assembly. Locate and note the Printhead Resistance Value on the
printhead label.
Printhead
Assembly
5. Ensure that media is loaded. Close the Printhead Assembly then plug in and turn ON the
printer.
Adjustments and Maintenance
RP1
2-29
D19
Upper Lead
(anode)
Printhead
Resistance Value